What Causes Pool Water To Go Cloudy? [Solved!]

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When you’re standing at the pool with your toes in the water and your drink in hand, it’s hard to imagine that something as boring as pool water could possibly be dangerous. But, if you live in the UK and your pool is made from natural stone, you might be in for a nasty shock. It could be dangerous to drink pool water without proper precautions – especially if you’re trying to keep your children safe. Here, we’ll discuss some of the different causes of pool water becoming cloudy and what you can do to prevent it.

Dry Ice

If you’re using dry ice in the pool to keep the water chilled, you might notice that the water takes on a strange tint. When dry ice is placed in water, it rapidly melts, turning the liquid into a thick slush that mixes with the water. It’s not an attractive look and, if you’re not careful, you could end up with a nasty stomach ache if you drink it.

Fountain Water

Fountain water is very often cloudy but that doesn’t mean it’s unsafe to drink. The presence of particles such as dirt or small stones in the water won’t cause any harm to your health as long as they’re less than two microns in size. Even well-known brands of bottled spring water aren’t necessarily safe to drink without proper precautions – especially if they’re from less-than-perfect sources that contain the aforementioned contaminants. If you want to be sure your child is protected from toxins, prevent them from playing in or drinking from any fountains or fresh ponds, lest they swallow a bug or other debris.


If you’re visiting a country that’s been devastated by radiation, you might be relieved to learn that your pool water isn’t going to be contaminated. In fact, the opposite is true. The radiation in the environment causes the water in the pool to become more drinkable. Although, you should still proceed with caution and drink only bottled water that’s been stored in a fridge.


The presence of algae in your pool water doesn’t necessarily mean it’s unsafe to drink. But it’s something you need to be aware of if you’re constantly seeing these slimy strands growing in the water. The algae in your pool will thrive in the warm summer months and, if not removed by chemical means, you’ll begin to see a bad taste in your beverages. While algae is harmless and you might even enjoy a drink served up by the green stuff, it’s still not something you want to put into your body without proper preparation. A water filter that removes algae is therefore a must for all pool users.

Fossil Fuels

Fossil fuels are a major cause of pollution and climate change, and it’s well known that they’re bad for the environment. Although, you might not be doing much harm by drinking the water from your pool, which is comprised of oil that’s been trapped in underground reserves for millions of years, you’re still contributing to the problem. If you want to be sure your kids are protected from toxic substances, prevent them from playing in or drinking from any ponds or lakes that have been polluted by fossil fuels.


Some animals, including humans, are susceptible to leeches. These small bloodsuckers live in moist areas of the body and crawl around searching for a spot to feed on your blood. Leeches can be found in the Amazon, where there’s a lot of rain and standing water. If you have a child who is obsessed with leeches and shows an abnormal interest in blood, it might be a good idea to get them some anti-leech medication. While leech saliva is harmless to humans, it can cause problems for dogs and cats. If you notice your pet is acting strangely or has a bloated stomach, you might want to consider treating them with anti-leech medication. Fortunately, many pest control companies offer an effective option that doesn’t require a prescription.


Chlorine is a common source of pool water damage. When chemicals such as chlorine are added to water, it creates a large number of toxic compounds that are extremely dangerous to our environment. Some of these compounds are even listed under the UN’s Red List of pollutants. If you want to keep your pool closed to swimmers and other curious children, you should ensure that the chlorine content is no higher than 0.5 mg/L and, if it is, you should seek help immediately. Fortunately, there are effective ways to remove this toxin from your pool. The type and brand of chlorine tablets you’ll need will depend on how much chlorine there is in your water supply. If you want to install a new pool filter, consider getting one that removes chlorine effectively.

Treated Water

If you live in an area where the water is heavily polluted by either oil or chemicals, you might be interested in drinking water that’s been treated. In some cases, the water will be safe to drink and you won’t need to spend a penny on fresh supplies. But, in other instances, such as those impacted by oil spills, you’ll need to filter the water through activated carbon to remove these toxins. If you have a large pond in your backyard or a lake behind your house, you could probably benefit from this option. Regardless of where you live, if the water in your pool has been treated, there’s usually no need to be concerned about drinking it. But, if you notice that the water has an odd taste or a bad smell, you should still treat it with caution.

Overuse Of Cleansers

Cleansers are substances that are used to clean pools and other water bodies. While swimming in a lake or pond with your family on a sunny day, you might notice that the water becomes cloudy after some time. After using cleansers to remove all the dirt and debris, you’ll need to let the water settle for a few minutes before drinking it. If you have a history of pool water damage or you notice the water in your pool taking on a strange color or odor, you might want to consider cutting back on the number of times you use the cleaners. Some homeowners even prefer to scrub the bottom of their pool with a brush and bucket of water.


As humans age, our bodies undergo changes that make us more susceptible to illness. One such change is increased intestinal clearance, which makes it harder for the body to absorb certain substances. While it’s not necessarily a bad thing, if you want to be sure your child is protected from toxins, it might be a good idea to get them some age-appropriate toys and ensure their hands are always wet when playing in or around water. Some substances, such as lead, are more easily absorbed by small children than adults, so it’s essential to keep their hands away from their mouth when handling or drinking from water sources. You should also be aware that some chemicals, such as iron, can worsen anemia in children. If you have anemia in your family, you might want to consider getting them some supplements before playing in or drinking from the pool. Exercise also has a large effect on the body’s ability to eliminate toxins. If you want to be sure your child is protected from toxins, ensure they get at least 60 minutes of physical activity every day. This will help improve their general well-being and make them less likely to absorb substances from the environment when outside playing in it.


The light in your pool will matter mostly if you’re using an outdoor pool. When sunlight shines down on the water, it causes the molecules within it to vibrate at high speeds, emitting light that’s visible to the human eye. This light is natural and doesn’t pose any threats to your health. But if you want to keep an outdoor pool closed to the public, you should take appropriate measures to eliminate it. If possible, cover the pool with a dome or other structures to eliminate this natural light.

Frozen Pump Stuck In Ice

To keep your pool water cool in the summer, you might use an outdoor garden frosting pump that’s connected to a thermos bottle. When you turn on the pump, you’ll notice ice begin to form around the outside of the bottle. If you run out of ice during the hot summer months, it’s quite easy to damage the pump. This could lead to serious water damage and, if you’re not careful, you could end up causing a leak that could cause serious harm to your home. If you want to keep your pool waters icy during the summer, you could consider investing in a de-icer that will automatically detect when the bottle is starting to become empty and shut off the flow of water.

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